:root {
    --color-navy: #0a192f;
    --color-light-navy: #112240;
    --color-lightest-navy: #233554;
    --color-slate: #8892b0;
    --color-light-slate: #a8b2d1;
    --color-white: #e6f1ff;
    --color-cyan: #64ffda;
    --color-cyan-tint: rgba(100, 255, 218, 0.1);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --transition: all 0.25s cubic-bezier(0.645, 0.045, 0.355, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-navy);
    color: var(--color-slate);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-white);
    font-family: var(--font-heading);
    margin-bottom: 20px;
    font-weight: 700;
}

a {
    color: var(--color-cyan);
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.text-center {
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: 1px solid var(--color-cyan);
    border-radius: 4px;
    color: var(--color-cyan);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    cursor: pointer;
    background: transparent;
    transition: var(--transition);
}

.btn:hover {
    background: var(--color-cyan-tint);
}

.btn-primary {
    background: var(--color-cyan);
    color: var(--color-navy);
}

.btn-primary:hover {
    background: #4cc9bb;
    /* slightly darker cyan */
    border-color: #4cc9bb;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(136, 146, 176, 0.1);
    padding: 20px 0;
    transition: var(--transition);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--color-cyan);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.btn) {
    color: var(--color-light-slate);
    font-size: 14px;
    font-family: 'Space Mono', monospace;
    /* Adding monospace for tech feel if available, else fallback */
}

.nav-links a:not(.btn):hover {
    color: var(--color-cyan);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    padding-top: 80px;
    /* Offset for fixed header */
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right,
            rgba(10, 25, 47, 0.95) 0%,
            rgba(10, 25, 47, 0.8) 50%,
            rgba(10, 25, 47, 0.6) 100%);
}

.hero-content {
    position: relative;
    max-width: 800px;
    /* limit width for better reading */
    margin: 0 auto 0 24px;
    /* Align slightly left or stick to container logic */
    margin-left: max(24px, calc((100vw - 1200px) / 2 + 24px));
}

.hero-content h1 {
    font-size: clamp(40px, 5vw, 70px);
    line-height: 1.1;
    margin-bottom: 24px;
}

.text-gradient {
    background: linear-gradient(90deg, var(--color-cyan) 0%, #a8b2d1 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(18px, 2vw, 20px);
    color: var(--color-slate);
    max-width: 600px;
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 20px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-outline {
    display: inline-block;
    padding: 16px 32px;
    border: 1px solid var(--color-slate);
    border-radius: 4px;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
    background: var(--color-cyan-tint);
}

/* Client Success Section */
.trusted-section {
    padding: 100px 0;
    background: var(--color-light-navy);
    border-bottom: 1px solid rgba(136, 146, 176, 0.1);
}

.client-card {
    background: var(--color-navy);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--color-lightest-navy);
    transition: var(--transition);
}

.client-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-cyan);
    box-shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
}

.client-logo {
    height: 50px;
    width: auto;
    margin: 0 auto 24px;
    filter: grayscale(100%) brightness(2);
    /* Make high contrast */
    opacity: 0.9;
    transition: var(--transition);
}

.client-card:hover .client-logo {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
}

.client-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--color-white);
}

.client-desc {
    font-size: 15px;
    color: var(--color-slate);
    line-height: 1.6;
}

.client-desc strong {
    color: var(--color-cyan);
}

/* Sections Common */
.section-subtitle {
    color: var(--color-slate);
    max-width: 600px;
    margin: 0 auto 60px;
    font-size: 18px;
}

.bg-light-navy {
    background-color: var(--color-light-navy);
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* Cards */
.card {
    background: var(--color-light-navy);
    padding: 40px 30px;
    border-radius: 8px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--color-cyan);
    box-shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
}

.card-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.card h3 {
    color: var(--color-white);
    font-size: 22px;
    margin-bottom: 15px;
}

.card p {
    color: var(--color-slate);
    font-size: 16px;
}

/* Process Grid */
.process-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

@media (max-width: 768px) {
    .process-grid {
        grid-template-columns: 1fr;
    }
}

.process-step {
    display: flex;
    gap: 20px;
    background: var(--color-navy);
    padding: 30px;
    border-radius: 4px;
    border: 1px solid var(--color-lightest-navy);
    align-items: flex-start;
}

.step-number {
    font-family: 'Space Mono', monospace;
    /* Fallback will be handled */
    color: var(--color-cyan);
    font-size: 24px;
    font-weight: 700;
}

.step-content h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.step-content p {
    color: var(--color-slate);
    font-size: 15px;
}

/* Split Layout (Why Us) */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

@media (max-width: 768px) {
    .split-layout {
        grid-template-columns: 1fr;
    }
}

.mb-4 {
    margin-bottom: 24px;
}

.mt-4 {
    margin-top: 24px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--color-slate);
}

.feature-list li span {
    color: var(--color-cyan);
}

.split-image {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: rgba(17, 34, 64, 0.5);
    padding: 30px;
    text-align: center;
    border: 1px solid var(--color-lightest-navy);
    border-radius: 4px;
}

.stat-card h3 {
    color: var(--color-cyan);
    font-size: 36px;
    margin-bottom: 5px;
}

/* Industries Grid */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.industry-item {
    background: var(--color-navy);
    padding: 24px;
    text-align: center;
    border: 1px solid var(--color-lightest-navy);
    border-radius: 4px;
    color: var(--color-white);
    font-weight: 500;
    transition: var(--transition);
}

.industry-item:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
    transform: translateY(-5px);
}

.service-desc {
    font-size: 14px !important;
    line-height: 1.6;
    margin-top: 10px;
}

/* Footer */
.footer-section {
    padding: 100px 0 40px;
    background: var(--color-light-navy);
}

.footer-cta {
    margin-bottom: 80px;
}

.footer-cta h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.footer-cta p {
    color: var(--color-slate);
    margin-bottom: 32px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid rgba(136, 146, 176, 0.1);
}

.footer-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-white);
}

.copyright {
    color: var(--color-slate);
    font-size: 14px;
}

@media (max-width: 600px) {
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
    }
}

/* Mobile Nav */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-cyan);
    transition: var(--transition);
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background: var(--color-light-navy);
        flex-direction: column;
        justify-content: center;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        z-index: 999;
    }

    .nav-links.active {
        transform: translateX(0);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .nav-links li {
        opacity: 0;
        transform: translateX(20px);
        transition: all 0.3s ease-in-out;
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes navLinkFade {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}